.row {
  position: relative;
  .loading {
    content: "加载中...";
    background-color: rgba($color: #000000, $alpha: 0.8);
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 2;
    position: absolute;
    color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 26px;
  }
  .uploader {
    padding: 0 10px;
    position: relative;
    z-index: 1;
  }
}
